John was piloting a plane behind a car but was never able to overtake it. Why?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Can you solve below mathematical equation?

2^1234 - 2^1233

Solve the counting riddle by identifying the number of triangles in the given picture.

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

What has many keys but can’t open a single lock?

I know a nine-letter word having only one vowel.
Do you ?